योगवासिष्ठः yogavāsiṣṭhaḥ - book-7, chapter-186, verse-50

कालेनाभ्यासयोगेन विचारेण समेन च ।
जातेर्वा सात्त्विकत्वेन सात्त्विकेनामलात्मना ॥ ५० ॥

kālenābhyāsayogena vicāreṇa samena ca ,
jātervā sāttvikatvena sāttvikenāmalātmanā 50

50. kālena abhyāsayogena vicāreṇa samena ca jāteḥ
vā sāttvikatvena sāttvikena amala-ātmanā

50. kālena abhyāsayogena samena vicāreṇa ca vā
jāteḥ sāttvikatvena sāttvikena amala-ātmanā

50. By the passage of time, through the discipline of (yoga), by balanced deliberation, or by the inherent purity (sāttvikatva) of one's birth, and by a pure (sāttvika) self (ātman),...

Words meanings summery:

• कालेन (kālena) - over a period of time, through time (by time, in time)

• अभ्यासयोगेन (abhyāsayogena) - through consistent spiritual practice (by the practice of yoga, by disciplined practice)

• विचारेण (vicāreṇa) - through careful analysis and reflection (by deliberation, by investigation)

• समेन (samena) - through impartial or equanimous (by equal, by balanced, by impartial)

• च (ca) - and (and, also)

• जातेः (jāteḥ) - due to one's inherent nature from birth (of birth, of lineage)

• वा (vā) - or (or, either)

• सात्त्विकत्वेन (sāttvikatvena) - by the intrinsic purity or goodness (of one's birth) (by the state of sattva, by purity)

• सात्त्विकेन (sāttvikena) - by a pure or virtuous (by a sattvic, by a pure)

• अमल-आत्मना (amala-ātmanā) - by a self that is free from impurity (by a spotless self, by a pure soul)

Words meanings and morphology

कालेन (kālena) - over a period of time, through time (by time, in time)

(noun)

Instrumental, masculine, singular of kāla

kāla - time, period

Root: kal (class 10)

अभ्यासयोगेन (abhyāsayogena) - through consistent spiritual practice (by the practice of yoga, by disciplined practice)

(noun)

Instrumental, masculine, singular of abhyāsayoga

abhyāsayoga - practice and discipline

Compound type : tatpuruṣa (abhyāsa+yoga)

• abhyāsa – practice, repetition
  noun (masculine)
  From as (to throw) with prefixes abhi and ā
  Prefixes: abhi+ā
  Root: as (class 4)
• yoga – union, discipline, spiritual practice
  noun (masculine)
  From root yuj (to yoke, to join)
  Root: yuj (class 7)

विचारेण (vicāreṇa) - through careful analysis and reflection (by deliberation, by investigation)

(noun)

Instrumental, masculine, singular of vicāra

vicāra - deliberation, investigation, reflection

From root car (to move) with prefix vi

Prefix: vi

Root: car (class 1)

समेन (samena) - through impartial or equanimous (by equal, by balanced, by impartial)

(adjective)

Instrumental, masculine, singular of sama

sama - equal, same, balanced, impartial

Note: Qualifies vicāreṇa.

च (ca) - and (and, also)

(indeclinable)

जातेः (jāteḥ) - due to one's inherent nature from birth (of birth, of lineage)

(noun)

Genitive, feminine, singular of jāti

jāti - birth, origin, species

From root jan (to be born)

Root: jan (class 4)

वा (vā) - or (or, either)

(indeclinable)

Note: Connects alternative causes.

सात्त्विकत्वेन (sāttvikatvena) - by the intrinsic purity or goodness (of one's birth) (by the state of sattva, by purity)

(noun)

Instrumental, neuter, singular of sāttvikatva

sāttvikatva - sattvic nature, purity

From sāttvika + tva suffix

सात्त्विकेन (sāttvikena) - by a pure or virtuous (by a sattvic, by a pure)

(adjective)

Instrumental, masculine, singular of sāttvika

sāttvika - relating to sattva, pure, good, virtuous

Derived from sattva (purity, goodness, being)

Note: Qualifies amala-ātmanā.

अमल-आत्मना (amala-ātmanā) - by a self that is free from impurity (by a spotless self, by a pure soul)

(noun)

Instrumental, masculine, singular of amala-ātman

amala-ātman - pure self, unblemished soul

Compound type : karmadhāraya (amala+ātman)

• amala – spotless, pure, without blemish
  adjective
  a (not) + mala (impurity)
• ātman – self, soul, spirit
  noun (masculine)
  Root: at (class 1)